Optical eyepiece using single-sided patterning of grating couplers
US-12535671-B2 · Jan 27, 2026 · US
Diffractive elements operating in transmission
Diffractive elements operating in transmission · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02B6/29329 |
| Official title | {Diffractive elements operating in transmission} |
| Display label | Diffractive elements operating in transmission |
| Total patents | 50 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 4 |
| 2017 | 6 |
| 2018 | 9 |
| 2019 | 2 |
| 2020 | 9 |
| 2021 | 10 |
| 2022 | 3 |
| 2023 | 4 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Optical Grating Configured to Emit an Optical Beam Having a Predetermined Cross-Section and an Predetermined Intensity Pattern Over Such Cross-Section
US-2025271615-A1 · Aug 28, 2025 · US
Method and system for high resolution digitized display
US-12270999-B2 · Apr 8, 2025 · US
Method and system for high resolution digitized display
US-2023280594-A1 · Sep 7, 2023 · US
Optical eyepiece using single-sided patterning of grating couplers
US-2023204938-A1 · Jun 29, 2023 · US
Method and system for high resolution digitized display
US-11686944-B2 · Jun 27, 2023 · US
Optical eyepiece using single-sided patterning of grating couplers
US-11609418-B2 · Mar 21, 2023 · US
Broadband arbitrary wavelength multichannel laser source
US-2022200244-A1 · Jun 23, 2022 · US
Broadband arbitrary wavelength multichannel laser source
US-2022059996-A1 · Feb 24, 2022 · US
Display device, display method, and color separation device
US-11243426-B2 · Feb 8, 2022 · US
Broadband arbitrary wavelength multichannel laser source
US-2021281051-A1 · Sep 9, 2021 · US
Optical eyepiece using single-sided patterning of grating couplers
US-2021271070-A1 · Sep 2, 2021 · US
Dense wavelength division multiplexing (DWDM) photonic integration platform
US-11105988-B2 · Aug 31, 2021 · US
Waveguide display element with an intermediate layer between an in-coupling grating and a waveguide
US-11067733-B2 · Jul 20, 2021 · US
Broadband arbitrary wavelength multichannel laser source
US-2021167583-A1 · Jun 3, 2021 · US
Optical eyepiece using single-sided patterning of grating couplers
US-11022790-B2 · Jun 1, 2021 · US
Waveguide display element
US-2021116622-A1 · Apr 22, 2021 · US
Broadband arbitrary wavelength multichannel laser source
US-2021083457-A1 · Mar 18, 2021 · US
Bichromatic chip to free-space grating coupler
US-10948657-B2 · Mar 16, 2021 · US
Bichromatic chip to free-space grating coupler
US-2021033794-A1 · Feb 4, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02B6/29329?
- CPC G02B6/29329 is the Cooperative Patent Classification code for “Diffractive elements operating in transmission.”
- How many patents are filed under CPC G02B6/29329 (Diffractive elements operating in transmission)?
- Our database includes 50 publications tagged with this CPC code.
- Is patent activity under CPC G02B6/29329 growing?
- Publication counts under this code: 4 in 2023 vs 2 in 2025 (latest complete years).